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1 <?php 2 /** 3 * Toolbar API: WP_Admin_Bar class 4 * 5 * @package WordPress 6 * @subpackage Toolbar 7 * @since 3.1.0 8 */ 9 10 /** 11 * Core class used to implement the Toolbar API. 12 * 13 * @since 3.1.0 14 */ 15 #[AllowDynamicProperties] 16 class WP_Admin_Bar { 17 private $nodes = array(); 18 private $bound = false; 19 public $user; 20 21 /** 22 * Deprecated menu property. 23 * 24 * @since 3.1.0 25 * @deprecated 3.3.0 Modify admin bar nodes with WP_Admin_Bar::get_node(), 26 * WP_Admin_Bar::add_node(), and WP_Admin_Bar::remove_node(). 27 * @var array 28 */ 29 public $menu = array(); 30 31 /** 32 * Initializes the admin bar. 33 * 34 * @since 3.1.0 35 */ 36 public function initialize() { 37 $this->user = new stdClass(); 38 39 if ( is_user_logged_in() ) { 40 /* Populate settings we need for the menu based on the current user. */ 41 $this->user->blogs = get_blogs_of_user( get_current_user_id() ); 42 if ( is_multisite() ) { 43 $this->user->active_blog = get_active_blog_for_user( get_current_user_id() ); 44 $this->user->domain = empty( $this->user->active_blog ) ? user_admin_url() : trailingslashit( get_home_url( $this->user->active_blog->blog_id ) ); 45 $this->user->account_domain = $this->user->domain; 46 } else { 47 $this->user->active_blog = $this->user->blogs[ get_current_blog_id() ]; 48 $this->user->domain = trailingslashit( home_url() ); 49 $this->user->account_domain = $this->user->domain; 50 } 51 } 52 53 add_action( 'wp_head', 'wp_admin_bar_header' ); 54 55 add_action( 'admin_head', 'wp_admin_bar_header' ); 56 57 if ( current_theme_supports( 'admin-bar' ) ) { 58 /** 59 * To remove the default padding styles from WordPress for the Toolbar, use the following code: 60 * add_theme_support( 'admin-bar', array( 'callback' => '__return_false' ) ); 61 */ 62 $admin_bar_args = get_theme_support( 'admin-bar' ); 63 $header_callback = $admin_bar_args[0]['callback']; 64 } 65 66 if ( empty( $header_callback ) ) { 67 $header_callback = '_admin_bar_bump_cb'; 68 } 69 70 add_action( 'wp_head', $header_callback ); 71 72 wp_enqueue_script( 'admin-bar' ); 73 wp_enqueue_style( 'admin-bar' ); 74 75 /** 76 * Fires after WP_Admin_Bar is initialized. 77 * 78 * @since 3.1.0 79 */ 80 do_action( 'admin_bar_init' ); 81 } 82 83 /** 84 * Adds a node (menu item) to the admin bar menu. 85 * 86 * @since 3.3.0 87 * 88 * @param array $node The attributes that define the node. 89 */ 90 public function add_menu( $node ) { 91 $this->add_node( $node ); 92 } 93 94 /** 95 * Removes a node from the admin bar. 96 * 97 * @since 3.1.0 98 * 99 * @param string $id The menu slug to remove. 100 */ 101 public function remove_menu( $id ) { 102 $this->remove_node( $id ); 103 } 104 105 /** 106 * Adds a node to the menu. 107 * 108 * @since 3.1.0 109 * @since 4.5.0 Added the ability to pass 'lang' and 'dir' meta data. 110 * @since 6.5.0 Added the ability to pass 'menu_title' for an ARIA menu name. 111 * 112 * @param array $args { 113 * Arguments for adding a node. 114 * 115 * @type string $id ID of the item. 116 * @type string $title Title of the node. 117 * @type string $parent Optional. ID of the parent node. 118 * @type string $href Optional. Link for the item. 119 * @type bool $group Optional. Whether or not the node is a group. Default false. 120 * @type array $meta Meta data including the following keys: 'html', 'class', 'rel', 'lang', 'dir', 121 * 'onclick', 'target', 'title', 'tabindex', 'menu_title'. Default empty. 122 * } 123 */ 124 public function add_node( $args ) { 125 // Shim for old method signature: add_node( $parent_id, $menu_obj, $args ). 126 if ( func_num_args() >= 3 && is_string( $args ) ) { 127 $args = array_merge( array( 'parent' => $args ), func_get_arg( 2 ) ); 128 } 129 130 if ( is_object( $args ) ) { 131 $args = get_object_vars( $args ); 132 } 133 134 // Ensure we have a valid title. 135 if ( empty( $args['id'] ) ) { 136 if ( empty( $args['title'] ) ) { 137 return; 138 } 139 140 _doing_it_wrong( __METHOD__, __( 'The menu ID should not be empty.' ), '3.3.0' ); 141 // Deprecated: Generate an ID from the title. 142 $args['id'] = esc_attr( sanitize_title( trim( $args['title'] ) ) ); 143 } 144 145 $defaults = array( 146 'id' => false, 147 'title' => false, 148 'parent' => false, 149 'href' => false, 150 'group' => false, 151 'meta' => array(), 152 ); 153 154 // If the node already exists, keep any data that isn't provided. 155 $maybe_defaults = $this->get_node( $args['id'] ); 156 if ( $maybe_defaults ) { 157 $defaults = get_object_vars( $maybe_defaults ); 158 } 159 160 // Do the same for 'meta' items. 161 if ( ! empty( $defaults['meta'] ) && ! empty( $args['meta'] ) ) { 162 $args['meta'] = wp_parse_args( $args['meta'], $defaults['meta'] ); 163 } 164 165 $args = wp_parse_args( $args, $defaults ); 166 167 $back_compat_parents = array( 168 'my-account-with-avatar' => array( 'my-account', '3.3' ), 169 'my-blogs' => array( 'my-sites', '3.3' ), 170 ); 171 172 if ( isset( $back_compat_parents[ $args['parent'] ] ) ) { 173 list( $new_parent, $version ) = $back_compat_parents[ $args['parent'] ]; 174 _deprecated_argument( __METHOD__, $version, sprintf( 'Use <code>%s</code> as the parent for the <code>%s</code> admin bar node instead of <code>%s</code>.', $new_parent, $args['id'], $args['parent'] ) ); 175 $args['parent'] = $new_parent; 176 } 177 178 $this->_set_node( $args ); 179 } 180 181 /** 182 * @since 3.3.0 183 * 184 * @param array $args 185 */ 186 final protected function _set_node( $args ) { 187 $this->nodes[ $args['id'] ] = (object) $args; 188 } 189 190 /** 191 * Gets a node. 192 * 193 * @since 3.3.0 194 * 195 * @param string $id 196 * @return object|void Node. 197 */ 198 final public function get_node( $id ) { 199 $node = $this->_get_node( $id ); 200 if ( $node ) { 201 return clone $node; 202 } 203 } 204 205 /** 206 * @since 3.3.0 207 * 208 * @param string $id 209 * @return object|void 210 */ 211 final protected function _get_node( $id ) { 212 if ( $this->bound ) { 213 return; 214 } 215 216 if ( empty( $id ) ) { 217 $id = 'root'; 218 } 219 220 if ( isset( $this->nodes[ $id ] ) ) { 221 return $this->nodes[ $id ]; 222 } 223 } 224 225 /** 226 * @since 3.3.0 227 * 228 * @return array|void 229 */ 230 final public function get_nodes() { 231 $nodes = $this->_get_nodes(); 232 if ( ! $nodes ) { 233 return; 234 } 235 236 foreach ( $nodes as &$node ) { 237 $node = clone $node; 238 } 239 return $nodes; 240 } 241 242 /** 243 * @since 3.3.0 244 * 245 * @return array|void 246 */ 247 final protected function _get_nodes() { 248 if ( $this->bound ) { 249 return; 250 } 251 252 return $this->nodes; 253 } 254 255 /** 256 * Adds a group to a toolbar menu node. 257 * 258 * Groups can be used to organize toolbar items into distinct sections of a toolbar menu. 259 * 260 * @since 3.3.0 261 * 262 * @param array $args { 263 * Array of arguments for adding a group. 264 * 265 * @type string $id ID of the item. 266 * @type string $parent Optional. ID of the parent node. Default 'root'. 267 * @type array $meta Meta data for the group including the following keys: 268 * 'class', 'onclick', 'target', and 'title'. 269 * } 270 */ 271 final public function add_group( $args ) { 272 $args['group'] = true; 273 274 $this->add_node( $args ); 275 } 276 277 /** 278 * Remove a node. 279 * 280 * @since 3.1.0 281 * 282 * @param string $id The ID of the item. 283 */ 284 public function remove_node( $id ) { 285 $this->_unset_node( $id ); 286 } 287 288 /** 289 * @since 3.3.0 290 * 291 * @param string $id 292 */ 293 final protected function _unset_node( $id ) { 294 unset( $this->nodes[ $id ] ); 295 } 296 297 /** 298 * @since 3.1.0 299 */ 300 public function render() { 301 $root = $this->_bind(); 302 if ( $root ) { 303 $this->_render( $root ); 304 } 305 } 306 307 /** 308 * @since 3.3.0 309 * 310 * @return object|void 311 */ 312 final protected function _bind() { 313 if ( $this->bound ) { 314 return; 315 } 316 317 /* 318 * Add the root node. 319 * Clear it first, just in case. Don't mess with The Root. 320 */ 321 $this->remove_node( 'root' ); 322 $this->add_node( 323 array( 324 'id' => 'root', 325 'group' => false, 326 ) 327 ); 328 329 // Normalize nodes: define internal 'children' and 'type' properties. 330 foreach ( $this->_get_nodes() as $node ) { 331 $node->children = array(); 332 $node->type = ( $node->group ) ? 'group' : 'item'; 333 unset( $node->group ); 334 335 // The Root wants your orphans. No lonely items allowed. 336 if ( ! $node->parent ) { 337 $node->parent = 'root'; 338 } 339 } 340 341 foreach ( $this->_get_nodes() as $node ) { 342 if ( 'root' === $node->id ) { 343 continue; 344 } 345 346 // Fetch the parent node. If it isn't registered, ignore the node. 347 $parent = $this->_get_node( $node->parent ); 348 if ( ! $parent ) { 349 continue; 350 } 351 352 // Generate the group class (we distinguish between top level and other level groups). 353 $group_class = ( 'root' === $node->parent ) ? 'ab-top-menu' : 'ab-submenu'; 354 355 if ( 'group' === $node->type ) { 356 if ( empty( $node->meta['class'] ) ) { 357 $node->meta['class'] = $group_class; 358 } else { 359 $node->meta['class'] .= ' ' . $group_class; 360 } 361 } 362 363 // Items in items aren't allowed. Wrap nested items in 'default' groups. 364 if ( 'item' === $parent->type && 'item' === $node->type ) { 365 $default_id = $parent->id . '-default'; 366 $default = $this->_get_node( $default_id ); 367 368 /* 369 * The default group is added here to allow groups that are 370 * added before standard menu items to render first. 371 */ 372 if ( ! $default ) { 373 /* 374 * Use _set_node because add_node can be overloaded. 375 * Make sure to specify default settings for all properties. 376 */ 377 $this->_set_node( 378 array( 379 'id' => $default_id, 380 'parent' => $parent->id, 381 'type' => 'group', 382 'children' => array(), 383 'meta' => array( 384 'class' => $group_class, 385 ), 386 'title' => false, 387 'href' => false, 388 ) 389 ); 390 $default = $this->_get_node( $default_id ); 391 $parent->children[] = $default; 392 } 393 $parent = $default; 394 395 /* 396 * Groups in groups aren't allowed. Add a special 'container' node. 397 * The container will invisibly wrap both groups. 398 */ 399 } elseif ( 'group' === $parent->type && 'group' === $node->type ) { 400 $container_id = $parent->id . '-container'; 401 $container = $this->_get_node( $container_id ); 402 403 // We need to create a container for this group, life is sad. 404 if ( ! $container ) { 405 /* 406 * Use _set_node because add_node can be overloaded. 407 * Make sure to specify default settings for all properties. 408 */ 409 $this->_set_node( 410 array( 411 'id' => $container_id, 412 'type' => 'container', 413 'children' => array( $parent ), 414 'parent' => false, 415 'title' => false, 416 'href' => false, 417 'meta' => array(), 418 ) 419 ); 420 421 $container = $this->_get_node( $container_id ); 422 423 // Link the container node if a grandparent node exists. 424 $grandparent = $this->_get_node( $parent->parent ); 425 426 if ( $grandparent ) { 427 $container->parent = $grandparent->id; 428 429 $index = array_search( $parent, $grandparent->children, true ); 430 if ( false === $index ) { 431 $grandparent->children[] = $container; 432 } else { 433 array_splice( $grandparent->children, $index, 1, array( $container ) ); 434 } 435 } 436 437 $parent->parent = $container->id; 438 } 439 440 $parent = $container; 441 } 442 443 // Update the parent ID (it might have changed). 444 $node->parent = $parent->id; 445 446 // Add the node to the tree. 447 $parent->children[] = $node; 448 } 449 450 $root = $this->_get_node( 'root' ); 451 $this->bound = true; 452 return $root; 453 } 454 455 /** 456 * @since 3.3.0 457 * 458 * @param object $root 459 */ 460 final protected function _render( $root ) { 461 /* 462 * Add browser classes. 463 * We have to do this here since admin bar shows on the front end. 464 */ 465 $class = 'nojq nojs'; 466 if ( wp_is_mobile() ) { 467 $class .= ' mobile'; 468 } 469 470 ?> 471 <div id="wpadminbar" class="<?php echo $class; ?>"> 472 <?php if ( ! is_admin() && ! did_action( 'wp_body_open' ) ) { ?> 473 <a class="screen-reader-shortcut" href="#wp-toolbar" tabindex="1"><?php _e( 'Skip to toolbar' ); ?></a> 474 <?php } ?> 475 <div class="quicklinks" id="wp-toolbar" role="navigation" aria-label="<?php esc_attr_e( 'Toolbar' ); ?>"> 476 <?php 477 foreach ( $root->children as $group ) { 478 $this->_render_group( $group ); 479 } 480 ?> 481 </div> 482 </div> 483 484 <?php 485 } 486 487 /** 488 * @since 3.3.0 489 * 490 * @param object $node 491 */ 492 final protected function _render_container( $node ) { 493 if ( 'container' !== $node->type || empty( $node->children ) ) { 494 return; 495 } 496 497 echo '<div id="' . esc_attr( 'wp-admin-bar-' . $node->id ) . '" class="ab-group-container">'; 498 foreach ( $node->children as $group ) { 499 $this->_render_group( $group ); 500 } 501 echo '</div>'; 502 } 503 504 /** 505 * @since 3.3.0 506 * @since 6.5.0 Added `$menu_title` parameter to allow an ARIA menu name. 507 * 508 * @param object $node 509 * @param string|bool $menu_title The accessible name of this ARIA menu or false if not provided. 510 */ 511 final protected function _render_group( $node, $menu_title = false ) { 512 if ( 'container' === $node->type ) { 513 $this->_render_container( $node ); 514 return; 515 } 516 if ( 'group' !== $node->type || empty( $node->children ) ) { 517 return; 518 } 519 520 if ( ! empty( $node->meta['class'] ) ) { 521 $class = ' class="' . esc_attr( trim( $node->meta['class'] ) ) . '"'; 522 } else { 523 $class = ''; 524 } 525 526 if ( empty( $menu_title ) ) { 527 echo "<ul role='menu' id='" . esc_attr( 'wp-admin-bar-' . $node->id ) . "'$class>"; 528 } else { 529 echo "<ul role='menu' aria-label='" . esc_attr( $menu_title ) . "' id='" . esc_attr( 'wp-admin-bar-' . $node->id ) . "'$class>"; 530 } 531 foreach ( $node->children as $item ) { 532 $this->_render_item( $item ); 533 } 534 echo '</ul>'; 535 } 536 537 /** 538 * @since 3.3.0 539 * 540 * @param object $node 541 */ 542 final protected function _render_item( $node ) { 543 if ( 'item' !== $node->type ) { 544 return; 545 } 546 547 $is_parent = ! empty( $node->children ); 548 $has_link = ! empty( $node->href ); 549 $is_root_top_item = 'root-default' === $node->parent; 550 $is_top_secondary_item = 'top-secondary' === $node->parent; 551 552 // Allow only numeric values, then casted to integers, and allow a tabindex value of `0` for a11y. 553 $tabindex = ( isset( $node->meta['tabindex'] ) && is_numeric( $node->meta['tabindex'] ) ) ? (int) $node->meta['tabindex'] : ''; 554 $aria_attributes = ( '' !== $tabindex ) ? ' tabindex="' . $tabindex . '"' : ''; 555 $aria_attributes .= ' role="menuitem"'; 556 557 $menuclass = ''; 558 $arrow = ''; 559 560 if ( $is_parent ) { 561 $menuclass = 'menupop '; 562 $aria_attributes .= ' aria-expanded="false"'; 563 } 564 565 if ( ! empty( $node->meta['class'] ) ) { 566 $menuclass .= $node->meta['class']; 567 } 568 569 // Print the arrow icon for the menu children with children. 570 if ( ! $is_root_top_item && ! $is_top_secondary_item && $is_parent ) { 571 $arrow = '<span class="wp-admin-bar-arrow" aria-hidden="true"></span>'; 572 } 573 574 if ( $menuclass ) { 575 $menuclass = ' class="' . esc_attr( trim( $menuclass ) ) . '"'; 576 } 577 578 echo "<li role='group' id='" . esc_attr( 'wp-admin-bar-' . $node->id ) . "'$menuclass>"; 579 580 if ( $has_link ) { 581 $attributes = array( 'onclick', 'target', 'title', 'rel', 'lang', 'dir' ); 582 echo "<a class='ab-item'$aria_attributes href='" . esc_url( $node->href ) . "'"; 583 } else { 584 $attributes = array( 'onclick', 'target', 'title', 'rel', 'lang', 'dir' ); 585 echo '<div class="ab-item ab-empty-item"' . $aria_attributes; 586 } 587 588 foreach ( $attributes as $attribute ) { 589 if ( empty( $node->meta[ $attribute ] ) ) { 590 continue; 591 } 592 593 if ( 'onclick' === $attribute ) { 594 echo " $attribute='" . esc_js( $node->meta[ $attribute ] ) . "'"; 595 } else { 596 echo " $attribute='" . esc_attr( $node->meta[ $attribute ] ) . "'"; 597 } 598 } 599 600 echo ">{$arrow}{$node->title}"; 601 602 if ( $has_link ) { 603 echo '</a>'; 604 } else { 605 echo '</div>'; 606 } 607 608 if ( $is_parent ) { 609 echo '<div class="ab-sub-wrapper">'; 610 foreach ( $node->children as $group ) { 611 if ( empty( $node->meta['menu_title'] ) ) { 612 $this->_render_group( $group, false ); 613 } else { 614 $this->_render_group( $group, $node->meta['menu_title'] ); 615 } 616 } 617 echo '</div>'; 618 } 619 620 if ( ! empty( $node->meta['html'] ) ) { 621 echo $node->meta['html']; 622 } 623 624 echo '</li>'; 625 } 626 627 /** 628 * Renders toolbar items recursively. 629 * 630 * @since 3.1.0 631 * @deprecated 3.3.0 Use WP_Admin_Bar::_render_item() or WP_Admin_bar::render() instead. 632 * @see WP_Admin_Bar::_render_item() 633 * @see WP_Admin_Bar::render() 634 * 635 * @param string $id Unused. 636 * @param object $node 637 */ 638 public function recursive_render( $id, $node ) { 639 _deprecated_function( __METHOD__, '3.3.0', 'WP_Admin_bar::render(), WP_Admin_Bar::_render_item()' ); 640 $this->_render_item( $node ); 641 } 642 643 /** 644 * Adds menus to the admin bar. 645 * 646 * @since 3.1.0 647 */ 648 public function add_menus() { 649 // User-related, aligned right. 650 add_action( 'admin_bar_menu', 'wp_admin_bar_my_account_menu', 0 ); 651 add_action( 'admin_bar_menu', 'wp_admin_bar_my_account_item', 9991 ); 652 add_action( 'admin_bar_menu', 'wp_admin_bar_recovery_mode_menu', 9992 ); 653 add_action( 'admin_bar_menu', 'wp_admin_bar_search_menu', 9999 ); 654 655 // Site-related. 656 add_action( 'admin_bar_menu', 'wp_admin_bar_sidebar_toggle', 0 ); 657 add_action( 'admin_bar_menu', 'wp_admin_bar_wp_menu', 10 ); 658 add_action( 'admin_bar_menu', 'wp_admin_bar_my_sites_menu', 20 ); 659 add_action( 'admin_bar_menu', 'wp_admin_bar_site_menu', 30 ); 660 add_action( 'admin_bar_menu', 'wp_admin_bar_edit_site_menu', 40 ); 661 add_action( 'admin_bar_menu', 'wp_admin_bar_customize_menu', 40 ); 662 add_action( 'admin_bar_menu', 'wp_admin_bar_updates_menu', 50 ); 663 664 // Content-related. 665 if ( ! is_network_admin() && ! is_user_admin() ) { 666 add_action( 'admin_bar_menu', 'wp_admin_bar_comments_menu', 60 ); 667 add_action( 'admin_bar_menu', 'wp_admin_bar_new_content_menu', 70 ); 668 } 669 add_action( 'admin_bar_menu', 'wp_admin_bar_edit_menu', 80 ); 670 671 add_action( 'admin_bar_menu', 'wp_admin_bar_add_secondary_groups', 200 ); 672 673 /** 674 * Fires after menus are added to the menu bar. 675 * 676 * @since 3.1.0 677 */ 678 do_action( 'add_admin_bar_menus' ); 679 } 680 }
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